Difference between revisions of "Echinacea atrorubens"
Trans. Amer. Philos. Soc., n. s. 7: 354. 1840.
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|common_names=Topeka purple coneflower | |common_names=Topeka purple coneflower | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Rudbeckia atrorubens | |name=Rudbeckia atrorubens | ||
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|publication title=Trans. Amer. Philos. Soc., n. s. | |publication title=Trans. Amer. Philos. Soc., n. s. | ||
|publication year=1840 | |publication year=1840 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_207.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Latest revision as of 20:10, 5 November 2020
Plants to 90 cm (roots elongate-turbinate, ± branched). Herbage usually hairy (hairs appressed to ascending, spreading on adaxial leaf faces, to 1.2 mm), rarely glabrous. Stems light green to tan. Basal leaves: petioles 0–12(–20) cm; blades (1-), 3-, or 5-nerved, usually linear or lanceolate, rarely ovate, 5–30 × 0.5–3 cm, bases attenuate, margins usually entire. Peduncles 20–50 cm. Phyllaries linear to lanceolate, 6–15 × 1–3 mm. Receptacles: paleae 9–15 mm, tips red to orange-tipped, usually straight, sharp-pointed. Ray corollas purple, rarely pink or white, laminae reflexed, 19–35 × 2–7 mm, glabrous or sparsely hairy abaxially. Discs ovoid to conic, 25–35 × 20–40 mm. Disc corollas 4.5–5.5 mm, lobes greenish to pink or purple. Cypselae tan, 4–5 mm, faces finely tuberculate, glabrous; pappi to 1.2 mm (major teeth 3–4). 2n = 11.
Phenology: Flowering mostly late spring.
Habitat: Dry, limestone or sandstone outcrops, prairies
Elevation: 50–500 m
Distribution
Kans., Okla., Tex.
Discussion
Selected References
None.